16676146 has 4 divisors (see below), whose sum is σ = 25014222. Its totient is φ = 8338072.

The previous prime is 16676141. The next prime is 16676147. The reversal of 16676146 is 64167661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64167661 = 103 ⋅622987.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 4669921 = 3465^2 + 2161^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16676141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169035 + ... + 4169038.

Almost surely, 2^16676146 is an apocalyptic number.

16676146 is a deficient number, since it is larger than the sum of its proper divisors (8338076).

16676146 is an equidigital number, since it uses as much as digits as its factorization.

16676146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338075.

The product of its digits is 36288, while the sum is 37.

The square root of 16676146 is about 4083.6437160947. The cubic root of 16676146 is about 255.4848956365.

The spelling of 16676146 in words is "sixteen million, six hundred seventy-six thousand, one hundred forty-six".